Agricultural production market and supporting instruments regulations are available in Ministry of Agriculture or ARIB websites.
Substantial:

• European Union Common Agricultural Policy Implementation Act
• Rural Development and Agricultural Market Regulation Act
• More detailed procedure for applying for aid to energy crops and proceeding of applications
• Council Regulation (EC) No 1782/2003 of 29 September 2003 establishing common rules for direct support schemes under the common agricultural policy and establishing certain support schemes for farmers and amending Regulations (Chapter 5, Aid for energy crops, Art. 88-92, 107 [3])
• Specific requirements for receiving single area support and complimentary national direct support for the growing of crops, and the specific procedure for the application for support and the processing of applications. (available only in Estonian)
• Rural Development supports are available on the webpage of ARIB (http://web.pria.ee/riiklikud_toetused/ (available only in Estonian))

Quality and shipment regulations of energy products are available on the webpage of Ministry of Economic Affairs and Communications
Substantial:

• Electricity Market Act
• District Heating Act
• Liquid Fuel Act
• Requirements for liquid fuels (available only in Estonian)

Taxiation regulations of energy production are available on the webpages of Ministry of Finance and Estonian Tax and Customs Board

Substantial:

• Alcohol, Tobacco and Fuel Excise Duty Act
• Complementary Clarifications Regarding Application for Biofuel Permit
• Value Added Tax Act

Others:

• Sustainable Development Act (available only in Estonian)
• United Nations Organisation climate change frame convention Kyoto protocol ratification act